The Flowmaster series of decoders are compatible with the PROCOM, TWC,TWC-NV and COM controllers. The decoder contains a micro-processor that provides it with many features for controlling and testing. From the controller it can be adjusted to operate almost any existing valve on the market. With 19 years’ experience and over 1 million decoders in the ground, Tucor decoders are sure to stand the test of time!